<template>
    <div>
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item><a href="/">数据统计</a></el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>

        <el-card>
            <div id="main" style="width: 600px;height:400px;" ref="mycharts"></div>
        </el-card>
    </div>
</template>

<script>
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
  name: 'Report',

  data () {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [{
          boundaryGap: false
        }],
        yAxis: [{
          type: 'value'
        }]
      }
    }
  },

  async mounted () {
    var myChart = echarts.init(this.$refs.mycharts)

    const { data, meta } = await this.$http.report.getReports()
    if (meta.status === 200) {
      // 使用刚指定的配置项和数据显示图表。
      const res = _.merge(data, this.options)
      myChart.setOption(res)
    }
  },

  methods: {

  }
}
</script>

<style lang="less" scoped>

</style>
